Why are cicadas so noisy?
Why are cicadas so noisy? The cicada’s claim to fame is its singing. The high-pitched song is actually a mating call belted out by males. Each species has its own distinctive song that only attracts females of its own kind. This allows several different species to coexist. Cicadas are the only insects capable of producing such a unique and loud sound. Some larger species can produce a call in excess of 120 decibels at close range. This is approaching the pain threshold of the human ear! Smaller species sing in such a high pitch that it cannot be heard by humans, but may cause dogs and other animals to howl in pain. The apparatus used by cicadas for singing is complex. The organs that produce sound are called tymbals. Tymbals are a pair of ribbed membranes a